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The reference for locomotives and railcars

German Reichsbahn E 42

German Reichsbahn class 242, DB AG class 142, and Lokoop Ae 477

Germany 1961 292 produced
242 001 parked in Mannheim in February 2020 JoachimKohler-HB CC BY-SA 4.0

The E 42 was developed on the basis of the E 11, which had a lower top speed of 100 km/h and a higher tractive effort. It was intended for traffic with freight trains and slow passenger trains and was built in significantly larger numbers than its prototype. Just as the last E 11 were built directly as class 211, the last E 42 were built as class 242. Right at the beginning of the 1990s, 18 units came to Switzerland, where they were used by several operators in front of freight trains. Some of the locomotives equipped there with multiple controls later came back to Germany and are still used there today to pull freight trains weighing up to 2,700 tons.

Technical data

General

Built
1961-1963, 1970-1976
Manufacturers
LEW Hennigsdorf
Wheel arrangement
B-B
Gauge
1,435 mm (Standard gauge)

Dimensions and weights

Length
16.26 m
Wheelbase
11.30 m
Service mass
82.5 t
Adhesion mass
82.5 t
Rigid wheelbase
3.50 m
Axle load
20.7 t

Power

Power source
electric - AC
Hourly power
2,920 kW (3,970 PS)
Continuous power
2,740 kW (3,725 PS)
Top speed
100 km/h
Starting effort
245.0 kN

Calculated values

Factor of adhesion
1 : 3.30
Power-to-weight ratio
35.4 kW/t
Adhesive weight/Total
1 : 1.00
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